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The RH-AUDIO USB/BT Portable Amplifiers are designed with overall 70/100-volt and 4/8 ohms(Ω) loads and featured an industry leading 5 zoned 100 volt load solution.
A variety of audio source options have been engineered into these amplifiers including MP3 player of connecting external USB drive,wireless BT receiver,five microphone interfaces and two aux RCA ports.
150/300 watts of amplifier power are available,with provided an audio output to 5 different zones within the
venue,each zone has its own separate switch on/off manually operated on front panel,and each zone has its own LED indicator,shall light green for on.
Built-in CHIME and SIREN circuitry with push button and volume control on front panel.
Microphone input (MIC1) fitted on front panel features muting function by overriding the other inputs of MIC2,MIC3,MIC4,AUX1,AUX2 with 0~30dB attenuation.
(1)Built-in BT receiver and USB player.
(2) 70/100-volt and 4/8 ohms(Ω) output loads.
(3)5 Zones 100V speaker outputs with separate switch ON/OFF & LED indicator.
(4)Powerful amplifier tubes.
(5)Five 48V Phantom Power sockets support unbalanced 6.35mm jack or balanced XLR jack.
(6)Mic 1 has priority over the inputs with 0~30dB dB attenuation.
(7)High-definition display for the working status of playing programme.
(8)Built-in Chime and Siren circuitry with push-button and volume control.
(9)BASS and TREBLE tone controllers.Master volume control.
(10)Complete protection provided for output short circuit, overload, high temperature.
(11) Removable rack mounting brackets supplied.
(12)This amplifier is ideally suited for installation in areas for the sound reproduction of reading announcements, and playing background music for small to medium PA installations such as clothing stores,convenience stores,coffee shops,restaurants,and so on.
Rated Power | 150W | 300W |
Output Mode | Low impedance:4/8 ohms (Ω), Voltage line:70V(81.7ohms),100V(166.7ohms) | |
MIC Input | Five 48V Phantom Power sockets support unbalanced 6.35mm jack or balanced XLR jack | |
Line Input | Line:10k ohms(Ω) 300mv,unbalanced | |
Line Output | 0.775V(0dB) |
|
FrequencyResponse | 60Hz-15KHz(±3dB) | |
THD | <0.05% at 1kHz,1/3 rated power | |
S/N | Line:80dB,MIC:<75dB | |
Tone | BASS:100Hz(±10dB),TREBLE:12k Hz(±10dB) | |
Cooling | DC12V FAN | |
Fuse | AC FUSE×4A | AC FUSE×6A |
Power Cable | (3×0.75 mm )×1.5M (standard) | |
Power Supply | AC 220V ± 10% 50-60Hz (Optional) | |
Power Consumption | 190W | 450W |
Dimension | 89(H)*430(W)*340(D)mm | |
Net Weight | 9kg | 11.5kg |
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Guangzhou Xinghongde Electronics Technology Co.,Ltd (Brand: RH-AUDIO) develops, manufactures, and markets highly reliable sound products of Commercial Sound System.




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